"""
17 - Dars
"""
X = 10
print(X, id(X))
XX = 20
print(XX, id(XX))

S = 'hello'
print(S, id(S))
S += ' world'
print(S, id(S))

L = [1, 2, 3]
print(L, id(L))
L.append(5)
print(L, id(L))

Y = X

print(X, id(X))
print(Y, id(Y))

XXX = 15
print(XXX, id(XXX))
print(S, id(S))
print(Y, id(Y))

L1 = [1, 2, 3]
L2 = L1
L2 = L1.copy()
L2 = L1[:]

print(L1, id(L1))
print(L2, id(L2))

L1.append((5))
print(L1, id(L1))
print(L2, id(L2))

# p = 10
# print(p)
# del p
# print(p)
